6			2
		8		3
			5
			6	8	2		1
6		1	2	4
				6
			4		3
			3			4

Difficulty: Very easy (0)

		6	8	4			3
		7
		1			8
	5
						7
		4			5
					3
5			4	7	6

Difficulty: Super easy (0)

4		7					2
			5		8
3			1
	2
						6
				1			7
		4		2
1					7		3

Difficulty: Very easy (0)

			8	6		1	4
			1	3	2
				2
					7
		1
			3
		2	7	4
3	5		6	1

Difficulty: Very easy (0)